DE220693C - - Google Patents

Info

Publication number
DE220693C
DE220693C DENDAT220693D DE220693DA DE220693C DE 220693 C DE220693 C DE 220693C DE NDAT220693 D DENDAT220693 D DE NDAT220693D DE 220693D A DE220693D A DE 220693DA DE 220693 C DE220693 C DE 220693C
Authority
DE
Germany
Prior art keywords
ruler
sides
notches
frame
writing board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT220693D
Other languages
German (de)
English (en)
Publication of DE220693C publication Critical patent/DE220693C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/02—Slates

Landscapes

  • Drawing Aids And Blackboards (AREA)
DENDAT220693D Active DE220693C (fr)

Publications (1)

Publication Number Publication Date
DE220693C true DE220693C (fr)

Family

ID=481724

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT220693D Active DE220693C (fr)

Country Status (1)

Country Link
DE (1) DE220693C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975897C (de) * 1950-07-08 1962-11-29 Snow Boy A G Fraesschleudervorrichtung zum Raeumen von Schnee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975897C (de) * 1950-07-08 1962-11-29 Snow Boy A G Fraesschleudervorrichtung zum Raeumen von Schnee

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